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add udp support for esp32

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Device can see each other esp32 and esp8266 and send date
This commit is contained in:
Dmitry Borisenko
2020-04-21 01:20:56 +02:00
parent 285a898ba9
commit 990bd6fb47
6 changed files with 107 additions and 96 deletions
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52
udp.ino
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@@ -10,6 +10,7 @@ void UDP_init() {
}
if (value == "2") {
SPIFFS.remove("/dev.csv");
addFile("dev.csv", "device id;device name;ip address");
request->redirect("/?dev");
}
if (value == "3") {
@@ -26,8 +27,13 @@ void UDP_init() {
});
SPIFFS.remove("/dev.csv");
addFile("dev.csv", "device id;device name;ip address");
#ifdef ESP8266
Udp.begin(udp_port);
#endif
handleUdp_esp32();
ts.add(UDP, 30000, [&](void*) {
if (WiFi.status() == WL_CONNECTED) {
@@ -36,32 +42,24 @@ void UDP_init() {
#ifdef ESP8266
Udp.beginPacketMulticast(udp_multicastIP, udp_port, WiFi.localIP());
Udp.write(line_to_send.c_str());
Udp.endPacket();
#endif
#ifdef ESP32
Udp.beginMulticast(udp_multicastIP, udp_port);
udp.broadcast(line_to_send.c_str());
#endif
Udp.endPacket();
Serial.println("[UDP<=] dev info send");
}
}
}, nullptr, false);
}
void add_dev_in_list(String fileName, String id, String dev_name, String ip) {
File configFile = SPIFFS.open("/" + fileName, "r");
if (!configFile) {
addFile(fileName, "device id;device name;ip adress");
}
if (!configFile.find(id.c_str())) {
addFile(fileName, id + ";" + dev_name + "; <a href=\"http://" + ip + "\" target=\"_blank\"\">" + ip + "</a>");
}
}
void handleUdp() {
#ifdef ESP8266
if (WiFi.status() == WL_CONNECTED) {
int packetSize = Udp.parsePacket();
if (packetSize) {
//Serial.printf("Received %d bytes from %s, port %d\n", packetSize, Udp.remoteIP().toString().c_str(), Udp.remotePort());
char udp_incomingPacket[255];
Serial.printf("[UDP=>] Received %d bytes from %s, port %d\n", packetSize, Udp.remoteIP().toString().c_str(), Udp.remotePort());
received_ip = Udp.remoteIP().toString();
int len = Udp.read(udp_incomingPacket, 255);
if (len > 0) {
@@ -71,6 +69,19 @@ void handleUdp() {
udp_data_parse = true;
}
}
#endif
}
void handleUdp_esp32() {
#ifdef ESP32
if (udp.listenMulticast(udp_multicastIP, udp_port)) {
udp.onPacket([](AsyncUDPPacket packet) {
received_udp_line = (char*)packet.data();
received_ip = packet.remoteIP().toString();
udp_data_parse = true;
});
}
#endif
}
void do_udp_data_parse() {
@@ -94,6 +105,13 @@ void do_udp_data_parse() {
}
}
void add_dev_in_list(String fileName, String id, String dev_name, String ip) {
File configFile = SPIFFS.open("/" + fileName, "r");
if (!configFile.find(id.c_str())) {
addFile(fileName, id + ";" + dev_name + "; <a href=\"http://" + ip + "\" target=\"_blank\"\">" + ip + "</a>");
}
}
void send_mqtt_to_udp() {
if (WiFi.status() == WL_CONNECTED) {
udp_busy = true;
@@ -107,15 +125,11 @@ void send_mqtt_to_udp() {
#ifdef ESP8266
Udp.beginPacketMulticast(udp_multicastIP, udp_port, WiFi.localIP());
Udp.write(mqtt_data.c_str());
Udp.endPacket();
#endif
#ifdef ESP32
Udp.beginMulticast(udp_multicastIP, udp_port);
int size_of = sizeof(mqtt_data);
uint8_t msg[10] = (uint8_t)atoi(mqtt_data.c_str());
//Udp.write(msg, sizeof(mqtt_data));
//Udp.write(mqtt_data.c_str(), strlen(mqtt_data.c_str()));
udp.broadcast(mqtt_data.c_str());
#endif
Udp.endPacket();
Serial.println("[UDP<=] mqtt info send");
udp_busy = false;
}